POLLINATION SEASONS FOR MAINE
Pollen Count Begins April 1st
POLLEN
SEASON START DATE
PEAK
SEASON END DATE
Cedar
April 1st
Not Stated
May 5th
Poplar
April 1st
April 4th - April 28th
May 9th
Alder
April 1st
April 3rd - April 22nd
April 28th
Birch
April 1st
April 27th - May 16th
May 25th
Maple
April 1st
May 4th - May 7th
May 19th
Hickory / Beech
May 6th
May 14th - May 18th
May 25th
Oak
May 11th
May 19th - May 23th
June 2nd
Pine Family
May 6th
June 5th - June 20th
July 29th
Grasses
June 5th
July 2nd - July 10th
August 31st
Ragweed
July 30th
August 17th - September 6th
September 30th